Jardin Aquarium Water Level Alarm Warner Annunciator Product Name : Fish Tank Aquarium Water Level Alarm; Powered By : 3 x LR41 Cell Batteries(Here Not Included) Material : Plastic, Electric Parts; Size : 7 x 5 x 2cm/2.4" x 2" x 0.8"(L x W x T) Probe Cable Length : 1.45M/57.1"; Color : Black Net Weight : 72g Package Content : 1 x Fish Tank Aquarium Water Level Alarm, 1 x Probe Cable